<template>
    <div>
        <h4>Hello World!</h4>

        <!-- <input v-focus /> -->

        <!-- <button v-copy="'张三'">点我，拷贝{{ name }}</button>
        <button v-copy="'李四'">点我，拷贝李四·</button>

        <button @click="name += '~'"> 修改name</button> -->
    </div>
</template>

<script>
export default {
    data() {
        return {
            name: '张三',
        }
    }
}
</script>